This is from the data on my MPCONE-A 400gb microsd flash drive.
Here is the info that produced these files:
cd /Volumes/MPCONE-A/Expansions find . |grep xpm >xpmlist.txt find . >mpcone-a-expansions-all.txt cd "AMAZOUND MPC DEMOS" cd "AMAZOUND MPC DEMOS (akp)" find . | grep \.akp | grep -v "._" | sort > akplist.txt
Last run on 2022/05/09…
According to https://www.mpc-tutor.com/mpc-expansion-packs-complete-guide/ the .XPN file is for adding rhe expansion to the MPC PC Software